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// Copyright (C) 2010 David Sugar, Tycho Softworks.
//
// This file is part of GNU uCommon C++.
//
// GNU uCommon C++ is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published
// by the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// GNU uCommon C++ is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with GNU uCommon C++. If not, see <http://www.gnu.org/licenses/>.
#include <ucommon/ucommon.h>
using namespace UCOMMON_NAMESPACE;
static shell::flagopt helpflag('h',"--help", _TEXT("display this list"));
static shell::flagopt althelp('?', NULL, NULL);
static shell::charopt delim('d', "--delim", _TEXT("set deliminter between arguments"));
static shell::flagopt directory('D', "--directory", _TEXT("expand directory into file arguments"));
static shell::flagopt lines('l', "--lines", _TEXT("list arguments on separate lines"));
static shell::stringopt quote('q', "--quote", _TEXT("set quote for each argument"), "string", "");
static shell::flagopt recursive('R', "--recursive", _TEXT("recursive directory scan"));
static shell::flagopt follow('F', "--follow", _TEXT("follow symlinks"));
static shell::flagopt rflag('r', "--reverse", _TEXT("reverse order of arguments"));
static char prefix[80] = {0, 0};
static char suffix[80] = {0, 0};
static void output(bool middle, const char *arg)
{
if(is(lines))
shell::printf("%s%s%s\n", prefix, arg, suffix);
else if(middle)
shell::printf("%c%s%s%s", *delim, prefix, arg, suffix);
else
shell::printf("%s%s%s", prefix, arg, suffix);
}
static void dirpath(bool middle, String path, bool top = true)
{
char filename[128];
String subdir;
fsys_t dir(path, fsys::ACCESS_DIRECTORY);
unsigned count = 0;
while(is(dir) && fsys::read(dir, filename, sizeof(filename))) {
if(*filename == '.')
continue;
++count;
subdir = (String)path + (String)"/" + (String)filename;
output(middle, subdir);
middle = true;
if(fsys::isdir(*subdir)) {
if(is(follow) || is(recursive)) {
if(!fsys::islink(*subdir) || is(follow))
dirpath(true, subdir, false);
}
}
}
if(top && !count)
output(middle, path);
}
PROGRAM_MAIN(argc, argv)
{
unsigned count = 0;
char *ep;
bool middle = false;
shell::bind("args");
shell args(argc, argv);
if(is(helpflag) || is(althelp)) {
printf("%s\n", _TEXT("Usage: args [options] arguments..."));
printf("%s\n\n", _TEXT("Echo command line arguments"));
printf("%s\n", _TEXT("Options:"));
shell::help();
printf("\n%s\n", _TEXT("Report bugs to dyfet@gnu.org"));
PROGRAM_EXIT(0);
}
if(!args())
PROGRAM_EXIT(0);
if(quote[0]) {
if(!quote[1]) {
prefix[0] = quote[0];
suffix[0] = quote[0];
}
else if(!quote[2]) {
prefix[0] = quote[0];
suffix[0] = quote[1];
}
else if(quote[0] == '<') {
String::set(prefix, sizeof(prefix), *quote);
snprintf(suffix, sizeof(suffix), "</%s", *quote + 1);
}
else if(quote[0] == '(') {
String::set(prefix, sizeof(prefix), quote);
ep = strchr((char *)*quote, ')');
if(ep)
*ep = 0;
suffix[0] = ')';
}
else {
String::set(prefix, sizeof(prefix), quote);
String::set(suffix, sizeof(suffix), quote);
}
}
if(is(rflag)) {
count = args();
while(count--) {
if(fsys::isdir(args[count]) && (is(directory) || is(recursive) || is(follow)))
dirpath(middle, (String)args[count]);
else
output(middle, args[count]);
middle = true;
}
}
else while(count < args()) {
if(fsys::isdir(args[count]) && (is(directory) || is(recursive) || is(follow)))
dirpath(middle, (String)args[count++]);
else
output(middle, (String)args[count++]);
middle = true;
}
if(!lines)
shell::printf("\n");
PROGRAM_EXIT(0);
}
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